Home / 1,189,442.89-1,641,455.67-673,196.76

Finding the Fourth Proportional to 1,189,442.89, 1,641,455.67 and 673,196.76

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Solution

The fourth proportional to 1,189,442.89, 1,641,455.67 and 673,196.76 is: 929,025.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,442.89 : 1,641,455.67 = 673,196.76 : x
  2. Step 2: Convert to fraction form
    1,189,442.89/1,641,455.67 = 673,196.76/x
  3. Step 3: Cross multiply
    1,189,442.89x = 1,641,455.67 × 673,196.76
  4. Step 4: Simplify right side
    1,189,442.89x = 1,105,022,638,727.63
  5. Step 5: Solve for x
    x = 1,105,022,638,727.63/1,189,442.89
  6. Step 6: Final answer
    x = 929,025.38

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.